Flexible non-insulated aluminium foil air ducts with steel wire frame.
Semi-flexible aluminium air ducts.
Flexible aluminium foil heat-insulated air ducts. ISO – heat-insulated; SONO – sound-insulated.
Semi-flexible galvanized or stainless steel air ducts.
Flexible non-insulated air ducts with steel wire frame covered with metalized polyester film.
Stainless steel air ducts with high temperature resistance.